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Whose Is It? is a free printable Grade 1 English worksheet on the possessive noun with an apostrophe and s, aligned to Common Core standard L.1.1. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 5 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Whose Is It?

L.1.1

NameDate

Choose the word from the box that makes sense.

1.___ tooth fell out.

Choose: Nina's · Nina · Ninas

2.This is ___ lunch box.

Choose: Omar's · Omars · Omar

3.I borrowed ___ red pen.

Choose: Mia · Mias · Mia's

4.That is ___ kitten.

Choose: Zoes · Zoe · Zoe's

5.The ___ cry woke me up.

Choose: baby · baby's · babys

6.The ___ voice is soft and kind.

Choose: teachers · teacher's · teacher

7.We played with ___ ball.

Choose: Ana's · Anas · Ana

8.We went to ___ house for lunch.

Choose: Grandma's · Grandma · Grandmas

LessonPrint · L.1.1 · Set 5 · free to copy for classroom use

Answer key — Whose Is It?

Set 5. Prints on its own sheet.

  1. 1.Nina's
  2. 2.Omar's
  3. 3.Mia's
  4. 4.Zoe's
  5. 5.baby's
  6. 6.teacher's
  7. 7.Ana's
  8. 8.Grandma's

Last reviewed 2026-09-05. Aligned to L.1.1 of the Common Core State Standards for English Language Arts.